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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright (C) 2012-2014, 2018 Intel Corporation4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH5 * Copyright (C) 2016-2017 Intel Deutschland GmbH6 */7#ifndef __iwl_fw_api_tdls_h__8#define __iwl_fw_api_tdls_h__9 10#include "fw/api/tx.h"11#include "fw/api/phy-ctxt.h"12 13#define IWL_MVM_TDLS_STA_COUNT 414 15/* Type of TDLS request */16enum iwl_tdls_channel_switch_type {17 TDLS_SEND_CHAN_SW_REQ = 0,18 TDLS_SEND_CHAN_SW_RESP_AND_MOVE_CH,19 TDLS_MOVE_CH,20}; /* TDLS_STA_CHANNEL_SWITCH_CMD_TYPE_API_E_VER_1 */21 22/**23 * struct iwl_tdls_channel_switch_timing - Switch timing in TDLS channel-switch24 * @frame_timestamp: GP2 timestamp of channel-switch request/response packet25 * received from peer26 * @max_offchan_duration: What amount of microseconds out of a DTIM is given27 * to the TDLS off-channel communication. For instance if the DTIM is28 * 200TU and the TDLS peer is to be given 25% of the time, the value29 * given will be 50TU, or 50 * 1024 if translated into microseconds.30 * @switch_time: switch time the peer sent in its channel switch timing IE31 * @switch_timeout: switch timeout the peer sent in its channel switch timing IE32 */33struct iwl_tdls_channel_switch_timing {34 __le32 frame_timestamp; /* GP2 time of peer packet Rx */35 __le32 max_offchan_duration; /* given in micro-seconds */36 __le32 switch_time; /* given in micro-seconds */37 __le32 switch_timeout; /* given in micro-seconds */38} __packed; /* TDLS_STA_CHANNEL_SWITCH_TIMING_DATA_API_S_VER_1 */39 40#define IWL_TDLS_CH_SW_FRAME_MAX_SIZE 20041 42/**43 * struct iwl_tdls_channel_switch_frame - TDLS channel switch frame template44 *45 * A template representing a TDLS channel-switch request or response frame46 *47 * @switch_time_offset: offset to the channel switch timing IE in the template48 * @tx_cmd: Tx parameters for the frame49 * @data: frame data50 */51struct iwl_tdls_channel_switch_frame {52 __le32 switch_time_offset;53 struct iwl_tx_cmd tx_cmd;54 u8 data[IWL_TDLS_CH_SW_FRAME_MAX_SIZE];55} __packed; /* TDLS_STA_CHANNEL_SWITCH_FRAME_API_S_VER_1 */56 57/**58 * struct iwl_tdls_channel_switch_cmd_tail - tail of iwl_tdls_channel_switch_cmd59 *60 * @timing: timing related data for command61 * @frame: channel-switch request/response template, depending to switch_type62 */63struct iwl_tdls_channel_switch_cmd_tail {64 struct iwl_tdls_channel_switch_timing timing;65 struct iwl_tdls_channel_switch_frame frame;66} __packed;67 68/**69 * struct iwl_tdls_channel_switch_cmd - TDLS channel switch command70 *71 * The command is sent to initiate a channel switch and also in response to72 * incoming TDLS channel-switch request/response packets from remote peers.73 *74 * @switch_type: see &enum iwl_tdls_channel_switch_type75 * @peer_sta_id: station id of TDLS peer76 * @ci: channel we switch to77 * @tail: command tail78 */79struct iwl_tdls_channel_switch_cmd {80 u8 switch_type;81 __le32 peer_sta_id;82 struct iwl_fw_channel_info ci;83 struct iwl_tdls_channel_switch_cmd_tail tail;84} __packed; /* TDLS_STA_CHANNEL_SWITCH_CMD_API_S_VER_1 */85 86/**87 * struct iwl_tdls_channel_switch_notif - TDLS channel switch start notification88 *89 * @status: non-zero on success90 * @offchannel_duration: duration given in microseconds91 * @sta_id: peer currently performing the channel-switch with92 */93struct iwl_tdls_channel_switch_notif {94 __le32 status;95 __le32 offchannel_duration;96 __le32 sta_id;97} __packed; /* TDLS_STA_CHANNEL_SWITCH_NTFY_API_S_VER_1 */98 99/**100 * struct iwl_tdls_sta_info - TDLS station info101 *102 * @sta_id: station id of the TDLS peer103 * @tx_to_peer_tid: TID reserved vs. the peer for FW based Tx104 * @tx_to_peer_ssn: initial SSN the FW should use for Tx on its TID vs the peer105 * @is_initiator: 1 if the peer is the TDLS link initiator, 0 otherwise106 */107struct iwl_tdls_sta_info {108 u8 sta_id;109 u8 tx_to_peer_tid;110 __le16 tx_to_peer_ssn;111 __le32 is_initiator;112} __packed; /* TDLS_STA_INFO_VER_1 */113 114/**115 * struct iwl_tdls_config_cmd - TDLS basic config command116 *117 * @id_and_color: MAC id and color being configured118 * @tdls_peer_count: amount of currently connected TDLS peers119 * @tx_to_ap_tid: TID reverved vs. the AP for FW based Tx120 * @tx_to_ap_ssn: initial SSN the FW should use for Tx on its TID vs. the AP121 * @sta_info: per-station info. Only the first tdls_peer_count entries are set122 * @pti_req_data_offset: offset of network-level data for the PTI template123 * @pti_req_tx_cmd: Tx parameters for PTI request template124 * @pti_req_template: PTI request template data125 */126struct iwl_tdls_config_cmd {127 __le32 id_and_color; /* mac id and color */128 u8 tdls_peer_count;129 u8 tx_to_ap_tid;130 __le16 tx_to_ap_ssn;131 struct iwl_tdls_sta_info sta_info[IWL_MVM_TDLS_STA_COUNT];132 133 __le32 pti_req_data_offset;134 struct iwl_tx_cmd pti_req_tx_cmd;135 u8 pti_req_template[];136} __packed; /* TDLS_CONFIG_CMD_API_S_VER_1 */137 138/**139 * struct iwl_tdls_config_sta_info_res - TDLS per-station config information140 *141 * @sta_id: station id of the TDLS peer142 * @tx_to_peer_last_seq: last sequence number used by FW during FW-based Tx to143 * the peer144 */145struct iwl_tdls_config_sta_info_res {146 __le16 sta_id;147 __le16 tx_to_peer_last_seq;148} __packed; /* TDLS_STA_INFO_RSP_VER_1 */149 150/**151 * struct iwl_tdls_config_res - TDLS config information from FW152 *153 * @tx_to_ap_last_seq: last sequence number used by FW during FW-based Tx to AP154 * @sta_info: per-station TDLS config information155 */156struct iwl_tdls_config_res {157 __le32 tx_to_ap_last_seq;158 struct iwl_tdls_config_sta_info_res sta_info[IWL_MVM_TDLS_STA_COUNT];159} __packed; /* TDLS_CONFIG_RSP_API_S_VER_1 */160 161#endif /* __iwl_fw_api_tdls_h__ */162